CN207200932U - Integrated loudspeaker box - Google Patents
Integrated loudspeaker box Download PDFInfo
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- CN207200932U CN207200932U CN201720677433.XU CN201720677433U CN207200932U CN 207200932 U CN207200932 U CN 207200932U CN 201720677433 U CN201720677433 U CN 201720677433U CN 207200932 U CN207200932 U CN 207200932U
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- loudspeaker
- loudspeaker box
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Abstract
The utility model discloses a kind of integrated loudspeaker box.The audio amplifier is characterised by including：First pair of loudspeaker for the first sound channel and second pair of loudspeaker for second sound channel；First pair of loudspeaker includes the first front speaker and the first rear speaker, wherein the first front speaker and the first rear speaker are arranged along the first axle in the first section of the audio amplifier and be arranged to face in opposite directions；Second pair of loudspeaker includes the second front speaker and the second rear speaker, wherein, second front speaker and the second rear speaker along the second axis arrangement in the second section of the audio amplifier and are arranged to face in opposite directions, wherein, first axle and second axis deflection certain angle.According to the utility model embodiment, it is proposed that a kind of new arrangement scheme for integrated loudspeaker box.A purposes of the present utility model is to be used for integrated loudspeaker box.
Description
Technical field
Speaker technology field is the utility model is related to, more particularly, to a kind of integrated loudspeaker box.
Background technology
In the prior art, technical staff has developed the audio amplifier of diversified forms.
One of wherein most interested audio amplifier form is the column audio amplifier of medium size.Its diameter is typically 60~
110mm, height are 240~450mm.Such audio amplifier is commonly referred to as integrated loudspeaker box.For example, it can be as private with artificial intelligence
The voice and COBBAIF of assistant.In addition to providing interactive voice assistant service, integrated loudspeaker box also acts as music and its
The playback reproducer of its media.
Unfortunately, due to the overall permanence of the device, such device pole is unsuitable for providing as typical separate type is paired
The good stereo experience that audio amplifier can reach.In the paired audio amplifier typically separated, "left", "right" sound channel is provided to point
From audio amplifier.The audio amplifier of separation is located at diverse location, therefore can be that attentive listener sends stereophonic field.
In traditional integrated loudspeaker box, the wave beam of the difference of "left", "right" sound channel is formed, and is inputted to monoblock type
Loudspeaker array in audio amplifier, the sound field sent with the paired audio amplifier imitated at least in part from separation.But this method is not
It is to prove effective very much, particularly in relatively low audiorange.For example, in relatively low audiorange, the wavelength and array of integrated loudspeaker box
Ratios between length will cause very high " white noise acoustic gain ".This can cause low-down efficiency.
Therefore, following demand to prior art be present：A kind of new integrated loudspeaker box scheme should be proposed, it is existing to solve
It is at least one in these problems in technology.
Utility model content
A purpose of the present utility model is to provide a kind of new solution for integrated loudspeaker box.
According to one embodiment, there is provided a kind of integrated loudspeaker box, it includes：First pair of loudspeaker for the first sound channel
With second pair of loudspeaker for second sound channel；First pair of loudspeaker includes the first front speaker and the first rear speaker, wherein,
First front speaker and the first rear speaker are arranged along the first axle in the first section of the audio amplifier and are arranged to court
In the opposite direction, second pair of loudspeaker includes the second front speaker and the second rear speaker, wherein, the second front speaker and
Two rear speakers are arranged and are arranged in the opposite direction along the second axis in the second section of the audio amplifier；Its
In, first axle and second axis deflection certain angle.
Alternatively or alternately, it the angle ranging from right angle.
Alternatively or alternately, first and second pairs of loudspeakers are the woofer that frequency is less than 2KHz.
Alternatively or alternately, the audio amplifier also includes being used for the other loudspeakers for producing the sound more than 2KHz.
Alternatively or alternately, the signal of the first rear speaker is applied to relative to the letter for being applied to the first front speaker
Number it is delayed by, to form the acoustically radiating emission mode for the first sound channel, and wherein, the signal for being applied to the second rear speaker is relative
It is delayed by the signal for being applied to the second front speaker, to form the acoustically radiating emission mode for second sound channel.
Alternatively or alternately, the signal being delayed by is used to produce the sound in the range of 250Hz to 2KHz.
Alternatively or alternately, monophonic signal is applied to first and second pairs of loudspeakers, is less than 250Hz to produce
Sound.
Alternatively or alternately, the loudspeaker has hyperbolic paraboloid vibrating diaphragm.
Alternatively or alternately, the first and second axis pass through the center in the first and second sections respectively.
Alternatively or alternately, during the first and second sections are generally aligned in the same plane.
Alternatively or alternately, the first sound channel is R channel, and second sound channel is L channel.
Alternatively or alternately, the audio amplifier is shaped as cylinder, and a diameter of 60~110mm of the cylinder is described
The height of cylinder is 240~450mm.
According to embodiment of the present utility model, there is provided the method for controlling integrated loudspeaker box, including：Arrange for the
First pair of loudspeaker of one sound channel and second pair of loudspeaker for second sound channel, wherein, first pair of loudspeaker first before raise
Sound device and the first rear speaker are arranged and faced in opposite directions, second along the first axle in the first section of the audio amplifier
The second front speaker and the second rear speaker to loudspeaker are arranged simultaneously along the second axis in the second section of the audio amplifier
And face in opposite directions；Apply first pair of signal to the first rear speaker and the first front speaker, be used for the first sound to be formed
The expectation acoustically radiating emission mode in road；Apply second pair of signal to the second rear speaker and the second front speaker, be used for second to be formed
The expectation acoustically radiating emission mode of sound channel；
Alternatively or alternately, first axle and second axis deflection certain angle.
Alternatively or alternately, it is right angle to set the angle.
Alternatively or alternately, it is the woofer that frequency is less than 2KHz to choose first and second pairs of loudspeakers.
Alternatively or alternately, it is additionally provided with the audio amplifier and is raised one's voice for the other of sound produced more than 2KHz
Device.
Alternatively or alternately, the signal of the first rear speaker is applied in first pair of signal relative to being applied to first
The signal of front speaker is delayed by, and to form the acoustically radiating emission mode for the first sound channel, and is applied to the second rear speaker
Signal is delayed by relative to the signal for being applied to the second front speaker, to form the acoustically radiating emission mode for second sound channel.
Alternatively or alternately, the signal being delayed by is used to produce the sound in the range of 250Hz to 2KHz.
Alternatively or alternately, monophonic signal is applied to first and second pairs of loudspeakers, is less than 250Hz to produce
Sound.
Alternatively or alternately, the loudspeaker has hyperbolic paraboloid vibrating diaphragm.
Alternatively or alternately, the first and second axis pass through the center in the first and second sections respectively.
Alternatively or alternately, during first axle and second axis are generally aligned in the same plane.
Alternatively or alternately, the first sound channel is R channel, and second sound channel is L channel.
Alternatively or alternately, the audio amplifier is shaped as cylinder, and a diameter of 60~110mm of the cylinder is described
The height of cylinder is 240~450mm.
According to embodiment of the present utility model, it is proposed that a kind of new arrangement scheme for integrated loudspeaker box.By with
It is lower referring to the drawings to the detailed description according to exemplary embodiment of the present utility model, further feature of the present utility model and its excellent
Point will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with its explanation.
Fig. 1 shows the schematic diagram of the integrated loudspeaker box according to the utility model embodiment.
Fig. 2 shows the acoustic radiation mould of the R channel of the integrated loudspeaker box in cross section according to the utility model embodiment
The schematic diagram of formula.
Fig. 3 shows the acoustic radiation mould of the L channel of the integrated loudspeaker box in cross section according to the utility model embodiment
The schematic diagram of formula.
Fig. 4 schematically shows the arrangement of two pairs of loudspeakers.
Fig. 5 shows the method for controlling integrated loudspeaker box according to the utility model embodiment.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
Fig. 1 shows the schematic diagram of the integrated loudspeaker box 100 according to the utility model embodiment.
As shown in figure 1, integrated loudspeaker box 100 is shaped as cylinder, a diameter of 60~110mm of cylinder, and cylinder
Highly it is 240~450mm.Although integrated loudspeaker box 100 be shown as shown in figure 1, those skilled in the art can manage
Solution, the shape of audio amplifier are not limited to cylinder, and it can be the other shapes of cube, cone etc..
Audio amplifier 100 includes second pair of loudspeaker for first pair of loudspeaker of the first sound channel and for second sound channel.Example
Such as, the first sound channel is R channel, and second sound channel is L channel.
First pair of loudspeaker includes the first front speaker 111 and the first rear speaker 112.Second pair of loudspeaker includes second
The rear speaker 122 of front speaker 121 and second.Herein, front speaker represents the loudspeaker towards attentive listener, and rear speaker generation
Loudspeaker of the table backwards to attentive listener.Loudspeaker belongs to a kind of device that audible sound can be produced for attentive listener.
First front speaker 111, the first rear speaker 112, the second front speaker 121 and the second rear speaker can phases
Together, can also be different.
Fig. 2 shows the acoustically radiating in sectional plane of the R channel of the integrated loudspeaker box according to the utility model embodiment
The schematic diagram of emission mode.Fig. 3 show the L channel of the integrated loudspeaker box according to the utility model embodiment in sectional plane
The schematic diagram of interior acoustically radiating emission mode.Fig. 4 schematically shows the arrangement of two pairs of loudspeakers.
As shown in Fig. 2 the first front speaker 111 and the first rear speaker 112 are along first in the first section of audio amplifier 100
Axis 114 is arranged.For example, the first front speaker 111 and the first rear speaker 112 are centrally located on first axle 114.First
The rear speaker 112 of front speaker 111 and first is arranged in the opposite direction.For example, the first front speaker 111 and first
Rear speaker 112 can be with outwardly disposed, by sound transmission to exterior space.
As shown in figure 3, the second front speaker 121 and the second rear speaker 122 are along second in the second section of audio amplifier 100
Axis 124 is arranged.For example, the second front speaker 121 and the second rear speaker 122 are centrally located in second axis 124.Second
The rear speaker 122 of front speaker 121 and second is arranged in the opposite direction.For example, the second front speaker 121 and second
Rear speaker 122 can be with outwardly disposed, by sound transmission to exterior space.
As shown in figure 4, first axle 114 and second axis 124 deflect certain angle.Pass through such arrangement, it is easy to
The first sound channel of such as left and right sound channel and the radiation mode of second sound channel are provided for, to provide third dimension for attentive listener
Feel.Preferably, the angle be right angle (i.e.：First axle 114 and second axis 124 are orthogonal) so that direction identification reaches
Imitate pole.
Because the ratios between wavelength and array length make it that traditional integrated loudspeaker box is difficult to provide to stand in low frequency
Body sound field, and the present embodiment is especially advantageous at such frequencies.For example, first and second pairs of loudspeakers are that frequency is low
In 2KHz, the woofer for the frequency for being preferably lower than 1KHz.In Fig. 1, audio amplifier 100 may also include other loudspeakers 130
(such as high pitch loudspeaker), for producing the sound more than 2KHz.
By using such arrangement, many methods can be used to carry out the beam forming of sound channel.Preferably, using delay
Scheme, wherein to rear speaker application signal delay, Directed radiation modes are formed to cause.Radiation mode is in each pair loudspeaker
In rear speaker signal path in increase delay realize.
Fig. 2 shows the acoustically radiating emission mode for R channel.In the embodiment shown in Figure 2, raised one's voice after being applied to first
The signal of device 112 is delayed by relative to the signal for being applied to the first front speaker 111, to form the acoustic radiation for the first sound channel
Pattern 113.For example, add delay to the signal path of the first rear speaker 112.
Fig. 3 shows the acoustically radiating emission mode for L channel.In the embodiment shown in fig. 3, raised one's voice after being applied to second
The signal of device 122 is delayed by relative to the signal for being applied to the second front speaker 121, to form the radiation mode for second sound channel
Formula 123.For example, add delay to the signal path of the second rear speaker 122.
For example, the signal delay described in reference picture 2,3 can be realized by deferred mount (not shown).
In radiation mode 113 and 123, in rear side (i.e. the side of the first rear speaker 112 or the side of the second rear speaker 122) shape
Into " zero point (null) ", and along the front side of first axle 114 or second axis 124 (before the side of the first front speaker 111 or second
The side of loudspeaker 121) there is the output of highest sound.So, attentive listener will perceive stereophonic field.Radiation mode 113,123 can
To be same or different.
Because the spatial perception function of people is very small in extremely low frequency, therefore monophonic signal is applied to first
It is less than 250Hz sound with second pair of loudspeaker to produce, such as below 250Hz, four loudspeakers in integrated loudspeaker box are all broadcast
Put identical monophonic signal.In this way, low-frequency sound can be reproduced with maximal efficiency.
At this point, the use of above-mentioned beam forming is beneficial to the sound of the frequency from 250Hz to 2KHz.That is,
The sound in the range of 250Hz to 2KHz is produced using the above-mentioned signal being delayed by.
In one example, loudspeaker 111,112,121 and 122 has hyperbolic paraboloid vibrating diaphragm, so as to the greatest extent may be used
The big vibration surface of energy, and increase the sound output of low frequency.At this point, the part around the vibrating diaphragm can also be hyperbola
Parabola, to accommodate vibrating diaphragm.
As shown in Figures 2 and 3, the first and second axis 114,124 pass through the first and second sections of audio amplifier 100 respectively
Center.
As shown in figure 1, first and second pairs of loudspeakers are located in Different Plane, that is to say, that the first and second axis
114th, 124 same level is not at, but in Different Plane.But the two axis can be arranged in same level.
That is the first and second sections may be in same plane.
In one embodiment, two pairs of loudspeakers can be used for realizing " First-order Gradient " radiation mode, especially for
In and/or low and medium frequency for.Two pairs of loudspeakers can deflect certain angle.As shown in Figures 2 and 3, raise one's voice for every a pair
Device can be used for one " zero point " pattern of guiding (that is, the direction with very small voice output).Such guiding is for each
All it is independent for sound channel.That is, the guiding for L channel will be independent of the guiding for R channel.This can simplification can carry
For the design of the audio amplifier of stereophonic field.
In addition, the arrangement of the utility model embodiment will also strengthen the stereo sound effect of lower frequency.This will provide separation
The experience that a pair of audio amplifiers are provided.
By using the solution of the utility model embodiment, can be produced from single assembly throughout the heavy of whole room
Immersion stereoscopic experience.
Fig. 5 shows the method for controlling integrated loudspeaker box according to the utility model embodiment.Integrated loudspeaker box can
To be the integrated loudspeaker box in above-described embodiment.
As shown in figure 5, in step S1100, arrange for first pair of loudspeaker of the first sound channel and for second sound channel
Second pair of loudspeaker.First pair of loudspeaker includes the first front speaker and the first rear speaker, and they are along the first section of audio amplifier
In first axle arrange and face in opposite directions.Second pair of loudspeaker is raised one's voice after including the second front speaker and second
Device, they arrange and faced in opposite directions along the second axis in the second section of audio amplifier.For example, first axle and second
Axis deflects certain angle, to be formed spatial perception field.Preferably, the angle is right angle.
Herein, first and second pairs of loudspeakers can be the woofer that frequency is less than 2KHz, and the audio amplifier is also
It may include other loudspeakers for producing the sound more than 2KHz.
In step S1200, apply first pair of signal to the first rear speaker and the first front speaker.These signals will drive
Loudspeaker forms the expectation acoustically radiating emission mode for the first sound channel.
In step S1300, apply second pair of signal to the second rear speaker and the second front speaker.These signals will drive
Loudspeaker forms the expectation acoustically radiating emission mode for second sound channel.
In one example, the signal of the first rear speaker is applied in first pair of signal relative to being raised before being applied to first
The signal of sound device is delayed by, and to form the acoustically radiating emission mode for the first sound channel, and is applied to the signal of the second rear speaker
It is delayed by relative to the signal for being applied to the second front speaker, to form the acoustically radiating emission mode for second sound channel.For example, prolonged
Slow signal is used to produce the sound in the range of 250Hz to 2KHz, and monophonic signal is applied to first and second pairs
Loudspeaker, to produce the sound less than 250Hz.
The specific executive mode of each step may refer to the related content in the said goods embodiment in this method embodiment,
The repeat specification to it will be omitted herein.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that example above merely to illustrate, rather than in order to limit the scope of the utility model.
Claims (10)
- A kind of 1. integrated loudspeaker box, it is characterised in that including：For first pair of loudspeaker of the first sound channel, first pair of loudspeaker includes the first front speaker and the first rear speaker, its In the first front speaker and the first rear speaker arranged along the first axle in the first section of audio amplifier and be arranged to direction Opposite direction；AndFor second pair of loudspeaker of second sound channel, second pair of loudspeaker includes the second front speaker and the second rear speaker, its In, the second front speaker and the second rear speaker are arranged along the second axis in the second section of audio amplifier and are arranged to direction Opposite direction；Wherein first axle and second axis deflection certain angle.
- 2. integrated loudspeaker box according to claim 1, it is characterised in that the angle ranging from right angle.
- 3. integrated loudspeaker box according to claim 1, it is characterised in that first and second pairs of loudspeakers are less than for frequency 2KHz woofer.
- 4. integrated loudspeaker box according to claim 1, it is characterised in that also cause including deferred mount, the deferred mount The signal for being applied to the first rear speaker is delayed by relative to the signal for being applied to the first front speaker, is used for the first sound to be formed The acoustically radiating emission mode in road, and so that the signal of the second rear speaker is applied to relative to the letter for being applied to the second front speaker Number it is delayed by, to form the acoustically radiating emission mode for second sound channel.
- 5. integrated loudspeaker box according to claim 4, it is characterised in that the signal being delayed by is used to produce Sound in the range of 250Hz to 2KHz.
- 6. integrated loudspeaker box according to claim 5, it is characterised in that monophonic signal is applied to first and second pairs Loudspeaker, to produce the sound less than 250Hz.
- 7. integrated loudspeaker box according to claim 1, it is characterised in that there is the loudspeaker hyperbolic paraboloid to shake Film.
- 8. integrated loudspeaker box according to claim 1, it is characterised in that the first and second axis pass through first and respectively The center in two sections.
- 9. integrated loudspeaker box according to claim 1, it is characterised in that first axle and second axis are generally aligned in the same plane In.
- 10. integrated loudspeaker box according to claim 1, it is characterised in that the first sound channel is R channel, and second sound channel is a left side Sound channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677433.XU CN207200932U (en) | 2017-06-12 | 2017-06-12 | Integrated loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720677433.XU CN207200932U (en) | 2017-06-12 | 2017-06-12 | Integrated loudspeaker box |
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| Publication Number | Publication Date |
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| CN207200932U true CN207200932U (en) | 2018-04-06 |
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ID=61783945
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720677433.XU Active CN207200932U (en) | 2017-06-12 | 2017-06-12 | Integrated loudspeaker box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023272912A1 (en) * | 2021-06-29 | 2023-01-05 | 歌尔股份有限公司 | Speaker and system |
-
2017
- 2017-06-12 CN CN201720677433.XU patent/CN207200932U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023272912A1 (en) * | 2021-06-29 | 2023-01-05 | 歌尔股份有限公司 | Speaker and system |
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